Application of NaI(Tl) detector for measurement of natural radionuclides and 137Cs in environmental samples:: new approach by decomposition of measured spectrum

被引：12
|
作者：
Muminov, IT
Muhamedov, AK
Osmanov, BS
Safarov, AA
Safarov, A
机构：
[1] Samarkand State Univ, Phys Nucl Lab, Samarkand 703004, Uzbekistan
[2] Natl Univ Uzbekistan, Appl Phys Res Inst, Tashkent, Uzbekistan
来源：
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2005年 / 84卷 / 03期
关键词：
environmental radionuclides; scintillation spectrometer; standard gamma-sources; subtraction of spectra;
D O I：
10.1016/j.jenvrad.2005.02.017
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An alternative method for determination of activities of natural, technogenic and fallout radionuclides in environmental samples was proposed. The method used a widely available scintillation spectrometer and was based on the decomposition of samples' gamma-spectra into spectral components of separate radionuclide groups with the help of standard sources. The method was tested on water, soil and coal samples and could be successfully used in field (expedition) conditions (without liquid nitrogen for the detector cooling). (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：321 / 331
页数：11
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